Headband



FIG. 1 is a left, rear perspective view of a headband;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side perspective view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a front left prospective view showing the nature and environmental use thereof, worn under a baseball hat.

The broken lines in the drawings represent environmental structure that form no part of the claimed design. 

CLAIM The ornamental design for a headband, as shown and described. 